Home / 28,622.75-42,878.52-16,104.60

Finding the Fourth Proportional to 28,622.75, 42,878.52 and 16,104.60

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Solution

The fourth proportional to 28,622.75, 42,878.52 and 16,104.60 is: 24,125.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,622.75 : 42,878.52 = 16,104.60 : x
  2. Step 2: Convert to fraction form
    28,622.75/42,878.52 = 16,104.60/x
  3. Step 3: Cross multiply
    28,622.75x = 42,878.52 × 16,104.60
  4. Step 4: Simplify right side
    28,622.75x = 690,541,413.19
  5. Step 5: Solve for x
    x = 690,541,413.19/28,622.75
  6. Step 6: Final answer
    x = 24,125.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.